#include <stdio.h>

int main(){
    // 求两数字的和
    int integer1;
    int integer2;
    int sum;
    printf("Please enter the first integer:");
    scanf("%d",&integer1);
    printf("Please enter the second interger2");
    scanf("%d",&integer2);
    sum = integer1 + integer2;
    printf("Sum is %d.\n",sum);
    return 0;
}